Headphone



FIG. 1 is a perspective view of an embodiment of a headphone;

FIG. 2 is a top view of the headphone shown in FIG. 1;

FIG. 3 is a bottom view of the headphone shown in FIG. 1;

FIG. 4 is a right side view of the headphone shown in FIG. 1;

FIG. 5 is a left side view of the headphone shown in FIG. 1;

FIG. 6. is a front view of the headphone shown in FIG. 1; and,

FIG. 7 is a rear view of the headphone shown in FIG. 1.

The broken lines form no part of the claimed design. 

CLAIM The ornamental designs for a headphone, as shown and described. 